Morita Equivalence of Noncommutative Supertori (2009)
Chang-Young, Ee, Kim, Hoil, Nakajima, Hiroaki
In this paper we study an extension of the Morita equivalence of noncommutative tori to the supersymmetric case. The structure of the symmetry group yielding the Morita equivalence appears to be...
Instanton Calculus in Deformed N=4 Super Yang-Mills Theories (2009)
Ito, Katsushi, Nakajima, Hiroaki, Saka, Takuya, Sasaki, Shin
We study the instanton effective action of four-dimensional deformed N=4 supersymmetric Yang-Mills theory in the presence of constant, self-dual Ramond-Ramond (R-R) 3-form background in type IIB...
Coupling between M2-branes and Form Fields (2009)
Kim, Yoonbai, Kwon, O-Kab, Nakajima, Hiroaki, Tolla, D. D.
In the context of low-energy effective theory of multiple M2-branes, we construct the interaction terms between the world-volume fields of M2-branes and the antisymmetric tensor fields of three- and...
Vortex-type Half-BPS Solitons in ABJM Theory (2009)
Kim, Chanju, Kim, Yoonbai, Kwon, O-Kab, Nakajima, Hiroaki
We study Aharony-Bergman-Jafferis-Maldacena (ABJM) theory without and with mass deformation. It is shown that maximally supersymmetry preserving, D-term, and F-term mass deformations of single mass...
Inflation on a Pair of D3-brane and D3bar-brane in Klebanov-Strassler Background (2009)
Kim, Yoonbai, Nakajima, Hiroaki, Ryu, Kyungha, Kim, Hang Bae
We explain how to obtain Klabanov-Strassler solution in the low-energy limit of type IIB superstring theory and describe slow-roll inflation on the system of parallely-separated D3-brane and...
Instanton Calculus in R-R 3-form Background and Deformed N=2 Super Yang-Mills Theory (2008)
Ito, Katsushi, Nakajima, Hiroaki, Sasaki, Shin
We study the ADHM construction of instantons in N=2 supersymmetric Yang-Mills theory deformed in constant Ramond-Ramond (R-R) 3-form field strength background in type IIB superstrings. We compare the...
Quantum SUSY Algebra of $Q$-lumps in the Massive Grassmannian Sigma Model (2008)
Nakajima, Hiroaki, Oh, Phillial, Shin, Sunyoung
We compute the $\mathcal{N}=2$ SUSY algebra of the massive Grassmannian sigma model in 2+1 dimensions. We first rederive the action of the model by using the Scherk-Schwarz dimensional reduction from...
Noncommutative Supertori in Two Dimensions (2008)
Chang-Young, Ee, Kim, Hoil, Nakajima, Hiroaki
First we consider the deformations of superspaces with N=(1,1) and N=(2,2) supersymmetries in two dimensions. Among these the construction of noncommutative supertorus with odd spin structure is...
Noncommutative Superspace and Super Heisenberg Group (2007)
Chang-Young, Ee, Kim, Hoil, Nakajima, Hiroaki
In this paper, we consider noncommutative superspace in relation with super Heisenberg group. We construct a matrix representation of super Heisenberg group and apply this to the two-dimensional...
Instantons in Deformed Super Yang-Mills Theories (2007)
Sasaki, Shin, Ito, Katsushi, Nakajima, Hiroaki
We study the instanton effective action in deformed four-dimensional N=2 and N=4 super Yang-Mills (SYM) theories. These deformed gauge theories are defined on the D-brane world-volume in the presence...
1/N Expansion of the 2D CP^{N-1} Model on Non(anti)commutative Superspace (2007)
Araki, Kazutoshi, Inami, Takeo, Nakajima, Hiroaki, Yamashita, Yasuhiro
We study UV properties of the two-dimensional supersymmetric CP^{N-1} model on non(anti)commutative superspace. We show that the deformed model has the same UV property as the ordinary model in the...
Deformation of Super Yang-Mills Theories in R-R 3-form Background (2007)
Ito, Katsushi, Nakajima, Hiroaki, Sasaki, Shin
We study deformation of N=2 and N=4 super Yang-Mills theories, which are obtained as the low-energy effective theories on the (fractional) D3-branes in the presence of constant Ramond-Ramond 3-form...
Araki, Kazutoshi, Inami, Takeo, Nakajima, Hiroaki
We study the instanton equation of the supersymmetric CP^{N-1} sigma model on non(anti)commutative superspace in two dimensions. We show that the undeformed instanton equation is consistent with the...
Central Charges in Non(anti)commutative N=2 Supersymmetric U(N) Gauge Theory (2005)
Ito, Katsushi, Nakajima, Hiroaki
We study the central charge of the deformed N=(1,0) supersymmetry algebra in non(anti)commutative N=2 supersymmetric U(N) gauge theory. In the cases of N=1/2 superspace and N=2 harmonic superspace...
Quantum Corrections in 2D SUSY CP^{N-1} Sigma Model on Noncommutative Superspace (2005)
Araki, Kazutoshi, Inami, Takeo, Nakajima, Hiroaki, Saito, Yorinori
We investigate quantum corrections in two-dimensional CP^{N-1} supersymmetric nonlinear sigma model on noncommutative superspace. We show that this model is renormalizable, the N=2 SUSY sector is not...
Non(anti)commutative N=2 Supersymmetric U(N) Gauge Theory and Deformed Instanton Equations (2005)
Ito, Katsushi, Nakajima, Hiroaki
We study deformed supersymmetry in N=2 supersymmetric U(N) gauge theory in non(anti)commutative N=1 superspace. Using the component formalism, we construct deformed N=(1,1/2) supersymmetry...
Supersymmetric CP^N Sigma Model on Noncommutative Superspace (2004)
Inami, Takeo, Nakajima, Hiroaki
We construct a closed form of the action of the supersymmetric $CP^N$ sigma model on noncommutative superspace in four dimensions. We show that this model has $\mathcal{N}={1/2}$ supersymmetry and...
Non-BPS Solutions of the Noncommutative CP^1 Model in 2+1 Dimensions (2002)
Furuta, Ko, Inami, Takeo, Nakajima, Hiroaki, Yamamoto, Masayoshi
We find non-BPS solutions of the noncommutative CP^1 model in 2+1 dimensions. These solutions correspond to soliton anti-soliton configurations. We show that the one-soliton one-anti-soliton solution...
Low-Energy Dynamics of Noncommutative CP^1 Solitons in 2+1 Dimensions (2002)
Furuta, Ko, Inami, Takeo, Nakajima, Hiroaki, Yamamoto, Masayoshi
We investigate the low-energy dynamics of the BPS solitons of the noncommutative CP^1 model in 2+1 dimensions using the moduli space metric of the BPS solitons. We show that the dynamics of a single...
Supersymmetic Extension of the Non-Abelian Scalar-Tensor Duality (2001)
Furuta, Ko, Inami, Takeo, Nakajima, Hiroaki, Nitta, Muneto
The field theory dual to the Freedman-Townsend model of a non-Abelian anti-symmetric tensor field is a nonlinear sigma model on the group manifold G. This can be extended to the duality between the...
J. クッカルトの〈レーベンスボルン〉小説『美しい女』について : 歴史をとらえる新しい印象主義 (1999)
中島, 裕昭, ナカジマ, ヒロアキ, Nakajima, Hiroaki, 中島, 裕昭(東京学芸大学独語学独文学), Nakajima, Hiroaki(Department Of German, Tokyo Gakugei University)
Isolation and Characterization of a Glycoprotein from a Human Rectal Adenocarcinoma (1983)
NAKAJIMA, Hiroaki, KUROSAKA, Akira, FUJISAWA (nee SEHARA), Atsuko, KAWASAKI, Toshisuke, FUNAKOSHI, Ikuo, MATSUYAMA, Mutsushi, ...
A mucin-type glycoprotein was isolated from a human rectal adenocarcinoma, mainly by gel filtration and hydroxyapatite treatment. The glycoprotein, designated as rectal mucin-type glycoprotein (RMG),...
Structure of a Major Oligosaccharide of Taka-Amylase A (1979)
MINOBE, Satoshi, NAKAJIMA, Hiroaki, ITOH, Nobuyuki, FUNAKOSHI, Ikuo, YAMASHINA, Ikuo
The structure of a major oligosaccharide of Taka-amylase A, shown below, is proposed based on the results of chemical (methylation and acetolysis) and enzymatic (digestions with exoand...
Reaction of Antimannan Antibodies with Oligomannosides and Glycopeptides (1979)
NAKAJIMA, Hiroaki, ITOH, Nobuyuki, KAWASAKI, Toshisuke, YAMASHINA, Ikuo
A number of oligomannosides and glycopeptides prepared from various sources were tested for their potency to inhibit the binding of 3H-mannotetraitol (Manα1→3Manα1→3→2Manα1→3→ 2Mannitol)...